Ensure key exists before checking array value

2019-03-20 14:51:06 -07:00 · 2019-03-20 14:51:06 -07:00 · f8b4adef23
commit f8b4adef23
parent b29686029a
1 changed files with 1 additions and 1 deletions
--- a/src/Symfony/Component/Cache/Traits/PhpFilesTrait.php
+++ b/src/Symfony/Component/Cache/Traits/PhpFilesTrait.php
@ -133,7 +133,7 @@ trait PhpFilesTrait
     */
    protected function doHave($id)
    {
-        if ($this->appendOnly && $this->values[$id]) {
+        if ($this->appendOnly && isset($this->values[$id])) {
            return true;
        }